An anonymous annotation was made correcting this specimen to Microsphaera alni. According to Farr et al. (Fungi on Plants and Plant Products in the United States, 1989), M. alni is synonymous with M. penicillata.
Arthur, J.C.
Holway 150
1886-07-22
July 22 1886
L.H. Bailey, Jr.; E.W.D. Holway
United States, Minnesota, Saint Louis, Vermilion Lake
47.876013 -92.344697 +-13699m. WGS84
48°;
circle around polygon surrounding area
on Lonicera hirsuta
Lonicera hirsuta
Geological and Natural History Survey of Minnesota